Facebook UK has said that the technical difficulties experienced by many users were due to "network maintenance," but that these have now been resolved:
Earlier this morning, while performing some network maintenance, we experienced an issue that prevented some users from posting to Facebook for a brief period of time.
We resolved the issue quickly, and we are now back to 100%. We're sorry for any inconvenience we may have caused.
More top news
Adam Pritchard was visiting family in Iowa, USA, when he appeared to fall from his bike and later died.
A four-year-old boy is among 20 people to have died in some of the worst flooding West Virginia has seen.
The heavy showers will ease off this weekend.